搜索结果: 1-12 共查到“地理信息系统 Geospatial data”相关记录12条 . 查询时间(0.046 秒)
DEFINING GEOSPATIAL DATA FUSION METHODS BASED ON TOPOLOGICAL RELATIONSHIPS
Geospatial Data Fusion Topological Data Model 3D GIS Anchor Node IndoorGML
2018/11/9
Currently, geospatial datasets are produced in various models and formats in accordance with the spatial scale of the real world such as ground/ surface/underground or indoor/outdoor. The location-bas...
GEOSPATIAL DATA STREAM PROCESSING IN PYTHON USING FOSS4G COMPONENTS
Geospatial data streaming platform Data velocity Python FOSS4G geospatial libraries performance SpS10-FOSS4G
2016/11/24
One viewpoint of current and future IT systems holds that there is an increase in the scale and velocity at which data are acquired and analysed from heterogeneous, dynamic sources. In the earth obser...
USING IMAGE STATISTICS FOR AUTOMATED QUALITY ASSESSMENT OF URBAN GEOSPATIAL DATA
Quality assessment ridge detection performance characterization road extraction spatial accuracy GIS
2015/8/3
In this paper, a framework is proposed to assess the quality of urban geospatial data using image information. An important aspect is the emphasis on accuracy and reliability of the system. The qualit...
VECTOR GEOSPATIAL DATA COMPRESSION FOR WEBGIS AND CARTOGRAPHIC GENERALIZATION
WebGIS vector geospatial data data compression cartography generalization
2015/3/6
This paper introduces the author's work on the compression of vector geospatial data intended for transport on the Internet. WebGIS vector data format is shifting to ASCII code such as XML. In some ap...
Geospatial data sharing, online spatial analysis and processing of Indian Biodiversity data in Internet GIS domain – A case study for raster based online geo-processing
Biodiversity Services Oriented Architecture OGC web services GDAL/OGR and Geo-processing
2014/12/16
National Biodiversity Characterization at Landscape Level, a project jointly sponsored by Department of Biotechnology and Department of Space, was implemented to identify and map the potential biodive...
Spatially Constrained Geospatial Data Clustering for Multilayer Sensor-Based Measurements
Precision agriculture proximal soil sensing geospatial data clustering management zones
2014/11/28
One of the most popular approaches to process high-density proximal soil sensing data is to aggregate similar measurements representing unique field conditions. An innovative constraint-based spatial ...
A Practice Approach of Multi-source Geospatial Data Integration for Web-based Geoinformation Services
Geospatial data Data Integration Web-based geoinformation services Practice approach Principles Procedure
2014/7/23
Geospatial data resources are the foundation of the construction of geo portal which is designed to provide online geoinformation services for the government, enterprise and public. It is vital to kee...
A replacement strategy for a distributed caching system based on the spatiotemporal access pattern of geospatial data
Caching Replacement Spatiotemporal LRU Networked GIS
2014/7/23
Cache replacement strategy is the core for a distributed high-speed caching system, and effects the cache hit rate and utilization of a limited cache space directly. Many reports show that there are t...
An Interlinking Approach for Linked Geospatial Data
Interlinking approaches Identity links Geospatial data Linking open data cloud Tversky's contrast model
2014/4/22
Geospatial metadata from metadata catalogue can be published as part of Web of data used Linked Data technologies. The published data could be named as linked geospatial metadata. A key issue of Linke...
TopoCad – A unified system for geospatial data and services
Web based Spatial Infrastructures Data Mining User Interface
2014/4/22
"E-government" is a leading trend in public sector activities in recent years. The Survey of Israel set as a vision to provide all of its services and datasets online. The TopoCad system is the latest...
Quantitative versus Qualitative Geospatial Data in Spatial Modelling and Decision Making
Quantitative and Qualitative Geospatial Data Spatial Modelling and Decision Making
2013/3/5
In general, geospatial data can be divided into two formats, raster and vector formats. A raster consists of a matrix of cells where each cell contains a value representing quantitative information, s...
GEOSPATIAL DATA FOR COMPUTERISATION OF PUBLIC ADMINISTRATION IN THE CZECH REPUBLIC
Spatial Infrastructures Digitisation Planning Database Framework Data
2014/5/9
The main aim of the eGovernment programme in the Czech Republic is to enhance the efficiency of public administration. The Digital Map of Public Administration (DMVS) should be composed of digital ort...